Add accept_confirm for admin_users_impersonation_tokens_spec

spec/features/admin/admin_users_impersonation_tokens_spec.rb

@@ -60,7 +60,7 @@ describe 'Admin > Users > Impersonation Tokens', :js do
     it "allows revocation of an active impersonation token" do
       visit admin_user_impersonation_tokens_path(user_id: user.username)
 
-      click_on "Revoke"
+      accept_confirm { click_on "Revoke" }
 
       expect(page).to have_selector(".settings-message")
       expect(no_personal_access_tokens_message).to have_text("This user has no active Impersonation Tokens.")